[2020 Update]How to Resize EXT4 Partition in Windows 10

Daisy updated on Jul 07, 2020 to Partition Manager | How-to Articles

"Does anyone know how to resize ext4 partition under Windows? I find the most common answer is to download Ubuntu operating system, but stitching two OS is not my ideal choice. Can you recommend some solutions to help me resize Linux partition without data loss?"

It is well known that we can use GParted to resize EXT4 partition under Linux operating system. What is the method under the Windows environment? EaseUS Partition Master is a powerful partition manager, which supports several file systems, including NTFS, EXT4, EXT3, EXT2, FAT32, FAT16, FAT12, ReFS. You can resize EXT4 partition in Windows 10 easily.

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 Windows 10 is supported


About Resizing EXT4 Partition in Windows 10
How to Resize EXT4 Partition in Windows 10 with EaseUS Partition Master
FAQ about Resize EXT4 Partition under Windows

About Resizing EXT4 Partition in Windows 10

Ext4 is a journaling file system for the Linux system, developed as the successor to EXT3. 

Resizing disk partition is useful for improving hard disk performance. Partitioning is convenient for managing disk space and defragmenting disks. Improve the efficiency of the use of disk space without wasting storage space.

Can Windows 10 resize ext4 partition

If you visit the technical blog to ask how to resize Linux partition in Windows, many people will suggest to install dual system for your computer. Because Windows does not support ext4 partition under Linux, not to mention resizing EXT4 partition. 

Windows still provide two disk partition methods to resize partition - Disk Management and Diskpart cmd. But none of them can create EXT4 partition, even resize EXT4 partition under Windows. You can't view EXT4 on windows like you see NTFS system on Linux.

Resize EXT4 partition under Windows without losing data

The non-destructive EXT4 partition of the hard disk refers to the adjustment of the partition without destroying the original data in the hard drive (for example, resizing, dividing one area into two areas, adding new partitions, etc.). 

Most of the time, there is no risk to partition hard drive. Although, it is still necessary to back up essential data in case of any unexpected disasters. It is recommended to back up the data before proceeding.

We recommend that you choose your EXT4 partitioning software carefully because some partitioning software is not 100% secure. EaseUS Partition Master is a  good partition software. It is easy to operate and  master.

How to Resize EXT4 Partition in Windows 10 with EaseUS Partition Master

In this guide, we provide EaseUS Partition Master to resize EXT4 partition. You can trust this all-in-one partition tools for data security.

EaseUS Partition Master contains many features such as create, merge, create, format, delete partitions. Besides, it can migrate OS, clone, and partition recovery.

EXT4 belongs to the Linux system. If you want to resize EXT4 partition on the Windows with EaseUS Partition Master, you need to connect Linux disk as a slave disk to the Windows PC.

Step 1: Download and install EaseUS Partition Master, and then you can view ext4 partition in the interface. 

resize ext4 1

Step 2: Right-click ext4 partition you want to resize.

resize ext4 2

Step 3:Drag the storage bar to set partition size and click OK.

resize ext4 3

Step 4: After the operation, you can view the new unallocated partition.

resize ext4 4

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 Windows 10 is supported

Furthermore - EXT4 Partition Reader under Windows 10

1. The first is Ext2Read.

Ext2Fsd supports EXT2/3/4, but only for read Linux partition. 


  • View and copy EXT2/3/4 files and folders.
  • LVM2 Support.
  • LRU based block cache for faster concurrent access.
  • EXT4 Extents support.
  • Recursively copy whole directories.


2. The second is DiskInternals Linux Reader for Windows.

Linux Reader supports EXT2/3/4, HFS, and ReiserFS, only for read.
It is a popular and free software product. You can read more file systems including Ext2/3/4, ReiserFS, Reiser4, HFS, HFS+, FAT, exFAT, NTFS, ReFS, UFS2, RomFS(reader), ZFS (preview only*), XFS (preview only*) and Hikvision NAS and DVR (preview only*).

linux reader for windows

3. The third is Ext2Fsd.

Ext2Fsd is an open-source Linux EXT2/3/4 file system. It supports reading and writing.



  • EXT2/3/4
  • Htree index
  • Extents
  • EXT4
  • Uninit_bg

FAQ about resizing EXT4 partition in Windows

1. Can I resize EXT4 Linux partition under Windows?

Windows doesn’t support EXT4 file system and you can’t read and write data into it. And it is also impossible to resize EXT4 partition under Windows without utilizing a third-party partition tool.

2. Is there any risk of resizing EXT4 partition under Windows?

If your disk has the necessary files, you have better backup your documents. And you can install a third-party partition manager - EaseUS Partition Master. It is designed for Windows to resize EXT4 partition to avoid partition risk.

3. How do I resize EXT4 partition in Windows 10?

  • Install and run EaseUS Partition Master.
  • Select the EXT4 partition you want to resize.
  • Drag the storage bar to set partition size and click OK.

4. Can Windows 10 read and write EXT4 partition?

  • Read-only: Ext2Read and DiskInternals Linux Reader.

Ext2Read is an explorer-like utility to explore EXT2/3/4 files. It can also be used to view and copy disk and data.
Linux Reader will act as a bridge between your Windows and Linux Ext2/3/4 file system. This easy-to-use tool runs under Windows and allows you to browse the Linux Ext2/3/4 file system. It also extract files from there, providing an access mode for the resource manager. 

  • Read and Write: Ext2Fsd

It directly supports reading and writing of ext2/ 3/4 partitions. But support for ext4 is limited.

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Frequently Asked Questions

Why Choose EaseUS Partition Master?

"I've used Partition Master Professional many times to create, delete, format, move, rename, and resize partitions."PCWorld

"Partitioning tools have come a very long since the days of complicated command line utilities and EASEUS Partition Master is one of the most advanced programs available."TECH ADVISOR

"I love that the changes you make with EaseUS Partition Master Free aren't immediately applied to the disks. It makes it way easier to play out what will happen after you've made all the changes."Lifewire

Will the "Migrate OS" feature transfer the Windows system files only or the whole C drive?

To ensure that the migrated system will boot normally, the Migrate OS feature will transfer all the files in the system and the boot partitions. Generally, the boot partition is the C drive so the transfer will include all the files in C.

Does EaseUS Partition Master license apply to multiple computers?

The license of Partition Master Professional and Server editions can be used on 1 computer only, while that for for the Technician and Unlimited editions can be used on multiple machines.

What is the difference between EaseUS Partition Master Trial version and the Free version?

Free is for home users only, with most basic functions available such as partition resize and clone. While trial can help you understand how this product works and test what a full license can do on a business or server OS machine.

Will it cause any data loss after resizing the partition in EaseUS Partition Master?

Generally, it will not cause any data loss or boot issue by resizing a partition. However, in order to protect your data, we suggest that you backup the partition before resizing, in case of any unexpected situations such as power outages, computer hardware failures, etc. You can use EaseUS Todo Backup to backup the partition and its trial version is fully functioned for 30 days.

What should I prepare before resizing the partition?

On the partition that is going to be operated, there might be some files being occupied by other programs. To ensure a successful operation, we suggest that you close all the unnecessary software before resizing that partition. Otherwise, EaseUS Partition Master will detect the partition being locked by the other software and require a reboot to resize the partition under boot mode.

About EaseUS Partition Master

All-round disk & partition management software for personal and commercial use. Let it manage your storage drive: resize, format, delete, clone, convert, etc.

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